Comparison of Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens and Pentax 8.5mm f/1.9 01 Standard Prime [S]ave
| Attribute |  Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens × |  Pentax 8.5mm f/1.9 01 Standard Prime × |
|---|---|---|
| Weight (g) | 22 | 37 |
| Type | Body Cap Pancake Prime | Standard Prime |
| Brand | Olympus | Pentax |
| Name | Olympus 15mm ƒ/8 BCL-1580 Body Cap Lens | Pentax 8.5mm f/1.9 01 Standard Prime |
| 35mm Equivalent | 30mm | - |
| Image Circle | Image Circle | Pentax Q-mount |
| Closest Focus (m) | 0.3 | 0.2 |
| Diaphragm Blades | - | 5 |
| Notes | Closing mechanism to function as a body cap. | For use with Pentax Q compact system camera. Lens shutter. ND filter (2 stops light reduction). PENTAX SP (Super Protect) coating. Optional MH-RA len |
| Magnification Ratio (x) | 0.12 | 0.05 |
| Aperture (f) | 8.00 | 1.90 - 8.00 |
| Diagonal Angle of View (degree) | 72.00 | 49.50 |
| Diameter (mm) | 56 | 46 |
| Focus Details | - | Autofocus with electronic manual focus |
| Lens Construction | 3 elements in 3 groups | 8 elements in 5 groups, including 2 Aspherical elements |
| APS Equivalent | - | 47mm |
| Focal Length (mm) | 15.00 | 8.50 |
| Filter Size (mm) | - | 5 |
| Length (mm) | 9 | 23 |
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